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How many types of aerators are commonly used in the treatment of wastewater?

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+1 vote
in Environmental Engineering by (81.4k points)
How many types of aerators are commonly used in the treatment of wastewater?

(a) 2

(b) 3

(c) 4

(d) 5

This question was addressed to me during an internship interview.

This key question is from Types of Unit Operations topic in division Unit Operations for Wastewater Treatment, Preliminary Treatment of Environmental Engineering

1 Answer

+2 votes
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Best answer
Right option is (c) 4

The best explanation: There are 4 types of aerators namely Gravity aerators, Spray aerators, Diffusers and Mechanical aerators.

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